機器
4
aerospace
alloy
aluminum
business
carbide
center
cnc
cut
cutter
detail
drill
engineering
equipment
factory
heavy
industry
instrument
iron
lathe
line
lubricant
machinery
manufacture
manufacturing
mechanical
metal
metalwork
metalworking
mill
miller
milling
modern
part
pattern
plant
precision
process
production
screw
stainless
steel
surface
technology
tool
tooling
turning
work
worker